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UST Removal Work Plan <br />7 -Eleven Store No, 14117, Stockton, CA <br />1.0 INTRODUCTION <br />May 12, 1998 <br />This work plan summarizes underground storage tank (UST) removal activities at <br />Southland 7 -Eleven Store No. 14117 located at 2725 Country Club Drive in Stockton, <br />California. The purpose of this work is to evaluate whether the USTs, associated <br />equipment, lines and dispensers on-site have adversely impacted soil underlying the site <br />as required by San Joaquin County Environmental Health Department (SJCEHD). <br />2.0 LOCATION & DESCRIPTION <br />One UST system is currently being used at the facility, consisting of three (3) <br />10,000 -gallon gasoline USTs and three (3) dispensers. <br />3.0 SCOPE OF WORK <br />Maness will perform the following scope of work per SJCEHD requirements on UST <br />removal activities to accomplish the project objectives: <br />• Obtain all necessary permits. <br />• Arrange scheduling with appropriate inspectors. <br />• Vacuum out any residual gasoline product. <br />• Inert USTs (3 — 10,000 -gallon gasoline) by placing minimum of 15 lbs dry ice per <br />1,000 -gallon capacity (approximately 450 lbs). <br />• Measure 02 (<_ 10%) and LEL (<— 20%) levels in presence of SJCEHD Inspector. <br />• Upon approval from SJCEHD Inspector, begin breaking out and removing <br />pavement. <br />• Excavate overburden soil and the sides of the USTs in such a way as to ensure <br />maximum excavation safety. All piping connections and dispensers will be <br />identified and carefully removed. <br />• Cut access holes in USTs with pneumatic cold cutting tool. <br />• Triple rinse USTs, and remove rinseate. Rinseate to be properly manifested and <br />transported for disposal. <br />• Remove USTs using a hydraulic crane. Place USTs on flatbed trucks. <br />• Ecology Control Industries (ECI) to transport USTs as hazardous to ECI's facility <br />in the Richmond for proper destruction. UST manifest to be provided. <br />• Soil samples to be collected by Fluor Daniel GTI representative as directed by <br />SJCEHD Inspector (see Fluor Daniel GTI Work Plan). <br />• Soil samples to be analyzed for gasoline constituents as required by SJCEHD <br />Inspector (see Fluor Daniel GTI Work Plan). <br />